Nov. 28: In the last few weeks, the Dax has repeatedly climbed to new record highs. However, the commonly used total return index is unsuited for international comparisons. On Nov. 3, the Dax reached a new record high, at 13505. Its cumulative gain since 2010 amounts to almost 120%. However, as a total return index, this figure includes reinvested dividends. In contrast, international equity indexes usually take into account only share-price performance....